Rectangular computer keyboard



FIG. 1 is a perspective view of the rectangular computer keyboard;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a right side view, the left side view being a mirror image of the right side view;

FIG. 5 is a top view; and,

FIG. 6 is a bottom view. 

The ornamental design for a rectangular computer keyboard, as shown and described. 